Mybatis实现修改功能

 1     
 2     <update id="updateBoard" parameterType="com.spring.board.entity.Board">
 3         update web_board
 4         <set>
 5             <if test="title != null">title=#{title},if>
 6             <if test="content != null">content=#{content},if>
 7             <if test="remark != null">remark=#{remark}if>
 8         set>
 9         where id = #{id,jdbcType=INTEGER}
10     update>